CN202149677U - Segmented reversing tunnel-type dryer - Google Patents

Segmented reversing tunnel-type dryer Download PDF

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Publication number
CN202149677U
CN202149677U CN 201120203445 CN201120203445U CN202149677U CN 202149677 U CN202149677 U CN 202149677U CN 201120203445 CN201120203445 CN 201120203445 CN 201120203445 U CN201120203445 U CN 201120203445U CN 202149677 U CN202149677 U CN 202149677U
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CN
China
Prior art keywords
tunnel
hot
airduct
reversing
blast
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201120203445
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Chinese (zh)
Inventor
谢宜超
赵康伟
刘启觉
吴正祥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
YANGZHOU FUERXI FRUIT VEGETABLE JUICE MACHINERY CO Ltd
Original Assignee
YANGZHOU FUERXI FRUIT VEGETABLE JUICE MACHINERY CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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Priority to CN 201120203445 priority Critical patent/CN202149677U/en
Application granted granted Critical
Publication of CN202149677U publication Critical patent/CN202149677U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a segmented reversing tunnel-type dryer, which belongs to the technical field of dryer manufacturing. The segmented reversing tunnel-type dryer comprises a material conveying device, drying chambers, a hot air furnace and a controller used for controlling the dryer, and is characterized in that: the segmented reversing tunnel-type dryer is provided with a plurality of sections of connected tunnel-type drying chambers, a wet-emitting blower, a circulating blower, a wet-emitting vent pipe, a circulating vent pipe and a hot air vent pipe, wherein the circulating blower is connected with the circulating vent pipe; and the circulating vent pipe, the circulating blower and the plurality of sections of connected tunnel-type drying chambers form a circulating air loop. Each section of the tunnel-type drying chamber is provided with a temperature-humidity sensor; a programmable logic controller (PLC) analyzes automatically according to the data acquired by the temperature-humidity sensor, and automatically adjusts the opening of each valve according to a preset value; and each section of the tunnel-type drying chamber is provided with a sampling opening respectively, so that a technician is convenient to sample, observe and control. The segmented reversing tunnel-type dryer can control the temperature and the humidity of different stages according to a fruit and vegetable baking curve and according to the characteristics of different materials, and dry fruits and vegetables alternately from the top to the bottom and from the bottom to the top, thereby heating products uniformly and improving the drying quality of the products.

Description

A kind of sectional reversing tunnel drier
Technical field
The utility model discloses a kind of sectional reversing tunnel drier, especially be applicable to the tunnel drier of fruit and vegetable food oven dry, belong to dryer manufacturing technology field.
Background technology
Existing fruit and vegetable drying mainly is to rely on natural drying, native formula baking kiln, color steel drying room of advanced employing and belt drying machine.The first three drying mode, the working time is long, and labour intensity is big, is difficult to realize automation.Belt drying machine by device for transporting objects, baking room, hot-blast stove and the controller that is used to control said dryer etc. constitute; Be difficult to realize that sectional temperature-controlled control is wet; The fruits and vegetables of different batches different moisture content are prone to " time has not been cooked or heated long enough " and " baking overdoes " phenomenon through identical time discharging.Dry fruit vegetables product quality is generally relatively poor, the serious fold in surface, and the surface is burnt sticks with paste, and mouthfeel is relatively poor, and nutritive loss is serious, is difficult to get into high-end market.
Along with social progress, living standards of the people improve constantly, and people require increasingly highly to dry fruit, and high-end dry fruit vegetables produce market has a extensive future.For garden stuff processing enterprise, the problem that nowadays faces be difficult to buy can dry by the fire high quality of products, again can serialization production, equipment that operating cost is cheap.In addition, existing oven dry machinery mainly is to carry out unidirectional oven dry for the drying mode of fruits and vegetables, such drying mode, and it is inhomogeneous to cause fruits and vegetables to be heated, and influences the eating mouth feel of fruits and vegetables dried food and nuts, causes sales slip, causes the market share to reduce.
Therefore, need a kind of fruit and vegetable drying equipment that can realize that two-way oven dry, automated production and production cost are low.
The utility model content
The purpose of the utility model is in order to satisfy the requirement in market, to the pluses and minuses of existing equipment, in conjunction with the oven dry curve of fruits and vegetables, a kind of sectional reversing tunnel drier is provided, and this dryer has reduced labour intensity, has improved production efficiency; Realized sectional temperature-controlled, automatic hydrofuge, the hot air circulation utilization guarantees the thermal efficiency, reduces coal consumption, drying efficiency is high; The fruit and vegetable food oven dry evenly guarantees product quality; Realize high-quality, the low cost of fruit-vegetable dried product.
The purpose of the utility model realizes that through following technical scheme a kind of sectional reversing tunnel drier comprises device for transporting objects, baking room, hot-blast stove and the controller that is used to control said dryer; It is characterized in that; Be provided with tunnel type baking room, wet-emitting blower, circulating fan, hydrofuge airduct, circulation airduct and hot-blast main that multistage links to each other, hot-blast main is arranged on the tunnel type baking room both sides that multistage links to each other, and every section tunnel type baking room is provided with Temperature Humidity Sensor; Said hot-blast stove connects hot-blast main through air main; Circulating fan connects the circulation airduct, and the circulation airduct is formed a circulated air loop with the tunnel type baking room that circulating fan links to each other with described multistage, and the circulation airduct is connected with hot-blast main with the hydrofuge airduct respectively; Be provided with the hot blast control valve between circulation airduct and the hot-blast main; The hydrofuge airduct places circulation airduct top, and the hydrofuge airduct connects wet-emitting blower, is provided with motor-driven valve between hydrofuge airduct and the wet-emitting blower.
Described circulating fan is the rotating blower fan.
Every section tunnel type baking room of the tunnel type baking room that described multistage links to each other is provided with sample tap.
Described controller is the PLC controller.
The hop count of the tunnel type baking room that described multistage links to each other is the 6-12 section.
Described material conveying arrangement comprises baking car, actuating unit and places the drip pan that is used to place fruits and vegetables on the baking car.
After the utility model will be loaded with the baking car series connection of fruits and vegetables; Under the traction of device for transporting objects actuating unit; Get into sectional tunnel formula dryer, the hot blast of percolation carries out exchange heat in fruits and vegetables and the tunnel, and moisture receives thermal evaporation and taken away the realization oven dry by percolation wind in the fruits and vegetables body.This dryer adopts actuating unit to pull a cart, and has reduced labour intensity, has improved production efficiency.Realized through unique wind network system, Temperature Humidity Sensor and electrically operated valve that comprise multistages such as wet-emitting blower and hydrofuge airduct, circulating fan and circulation airduct, hot-blast main sectional temperature-controlled, hydrofuge automatically; Unique wind web frame has been realized the hot air circulation utilization simultaneously, guarantees the thermal efficiency, reduces coal consumption; Hot blast percolation oven dry fruit and vegetable food, drying efficiency is high; Adopt rotating blower fan and motor-driven valve to realize airflow-reversing, hot blast is from top to bottom dried fruits and vegetables and is from bottom to top dried fruits and vegetables again, and the automatic reverse that sets interval guarantees the fruit and vegetable food oven dry evenly, the product quality homogeneous.Multistage wind net can realize that sectional temperature-controlled control is wet, and according to the material feature combination in any, thereby the oven dry curve of fully abideing by fruits and vegetables is dried high-quality, the low cost of realization fruit and vegetable drying.
The utlity model has following advantage: the first, multistage wind net can realize that sectional temperature-controlled control is wet, according to the material feature combination in any, thereby the oven dry curve of fully abideing by fruits and vegetables is dried high-quality, the low cost of realization fruit and vegetable drying; The second, adopt rotating blower fan and motor-driven valve to realize airflow-reversing, hot blast is from top to bottom dried fruits and vegetables and is from bottom to top dried fruits and vegetables again, and the automatic reverse that sets interval guarantees the fruit and vegetable food oven dry evenly, the product quality homogeneous; The 3rd, realized through wind network system, Temperature Humidity Sensor and the motor-driven valve of uniqueness sectional temperature-controlled, automatic hydrofuge; The 4th, hot blast percolation oven dry fruit and vegetable food, drying efficiency is high; The 5th, the design of circulating fan, circulation airduct has increased heat utilization efficiency, has guaranteed the rule dehydration of the dry run of fruits and vegetables according to the baking curve, has guaranteed the quality of product.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the circulated air loop sketch map of the circulating fan of the utility model when just changeing;
Fig. 3 is the circulated air loop sketch map in circulating fan when counter-rotating of the utility model;
Among the figure: 1-wet-emitting blower, 2-motor-driven valve, 3-hydrofuge airduct, 4-hot-blast main, 5-circulation airduct, 6-tunnel type baking room, 7-ground, 8-baking car, 9-circulating fan, 10-hot-blast stove, 11-actuating unit.
The specific embodiment
Embodiment 1
Like Fig. 1, Fig. 2, shown in Figure 3; A kind of sectional reversing tunnel drier; By device for transporting objects, hot-blast stove 10, be used to control the formations such as tunnel type baking room 6, wet-emitting blower 1, circulating fan 9, hydrofuge airduct 3, circulation airduct 5 and hot-blast main 4 that controller, six (or four, five, seven, eight, nine, ten, 11,12) section of said dryer links to each other; Hot-blast main is arranged on the tunnel type baking room both sides that multistage links to each other; Every section tunnel type baking room is provided with Temperature Humidity Sensor, and hot-blast stove 10 connects hot-blast main 4 through air main, and circulating fan connects the circulation airduct; The tunnel type baking room that circulation airduct and circulating fan link to each other with described multistage and the passage of ground 7 are formed a circulated air loop; The circulation airduct is connected with hot-blast main with the hydrofuge airduct respectively, is provided with the hot blast control valve between circulation airduct and the hot-blast main, and the hydrofuge airduct places circulation airduct top; The hydrofuge airduct connects wet-emitting blower, above the 5th section and the 6th section of the continuous tunnel type baking room of multistage, a wet-emitting blower is arranged respectively.Be provided with motor-driven valve 2 between hydrofuge airduct and the wet-emitting blower.Described circulating fan is the rotating blower fan. Every section tunnel type baking room of the tunnel type baking room that multistage links to each other is provided with sample tap.Controller is the PLC controller.
Baking car 8 draws access tunnel formula baking rooms 6 through device for transporting objects by actuating unit 11 with the drip pan that places being used on the baking car to place fruits and vegetables; The PLC controller is analyzed the data that Temperature Humidity Sensor is gathered automatically, adjusts the aperture of hot blast control valve and motor-driven valve automatically according to preset value.
Every section tunnel type baking room all is provided with wind network system and Temperature Humidity Sensor, and wind network system comprises hot blast wind net, hydrofuge wind net and circulated air net, and wherein: hot blast wind net comprises two hot-blast mains, and an end of hot-blast main is connected with hot-blast stove.Hydrofuge wind net comprises wet-emitting blower and two hydrofuge airducts, on the hydrofuge airduct wet-emitting blower is installed; The circulated air net comprises circulating fan and circulation airduct; On the circulation airduct circulating fan is installed; Circulation airduct and circulating fan and tunnel type baking room are formed a loop; The circulation airduct is connected with two hot-blast mains, two hydrofuge airducts through motor-driven valve respectively, and described circulating fan is the rotating blower fan, and the gas in the described loop is realized alternately flowing clockwise with counterclockwise under the rotating fan action.
Hot-blast stove is the coal-fired hot-blast stove of indirect air, and outlet temperature can be stabilized in the scope that the design temperature deviation is no more than 10 ℃.Hydrofuge wind net comprises two wet-emitting blowers and hydrofuge airduct; All there is valve control hydrofuge airduct and circulation airduct junction, and when the humidity of circulated air in the tunnel surpassed setting value (50%-70% is adjustable), motor-driven valve was opened hydrofuge automatically; When humidity is lower than setting value (20%-50% is adjustable); Wet-emitting blower cuts out, and valve closing stops hydrofuge.Hot blast wind net is made up of the hot-blast main of both sides; With circulated air net junction valve control is arranged all, can realize six sections different humitures through the aperture of control Hot-blast valve (hot blast control valve) and hydrofuge valve (motor-driven valve); Guarantee that the oven dry built-in temperature is no more than 65 ℃; Humidity is no more than 70%, has both improved drying efficiency, has guaranteed product quality again.The Hot-blast valve of both sides; The hydrofuge valve alternately opens and closes according to setting-up time; The forward and reverse corresponding conversion of circulating fan simultaneously; Thereby the realization hot blast from top to bottom and is from bottom to top alternately dried product, has guaranteed fruits and vegetables top and bottom color, maturity unanimity under static conditions, and fruits and vegetables color, the water content of baking car levels are consistent.Six independently oven dry sections can be regulated each valve opening according to the demand of different fruits and vegetables, thereby reach different humitures, realize different stoving processes.
The utility model adopts the control of PLC controller, and every section of dryer all has independently Temperature Humidity Sensor.The data that the PLC controller is gathered according to Temperature Humidity Sensor are analyzed automatically, regulate each valve opening automatically according to preset value, and temperature accuracy can reach ± 0.3 ℃, and the humidity precision can reach ± and 2%.The PLC controller adopts the touch screen interface operation, and is simple to operate, forms the humiture change curve automatically.Sample tap is established in the oven dry of every section tunnel type, is convenient to technician's observations of taking a sample, and controls.
A kind of course of work of sectional reversing tunnel drier is as follows:
Artificial with the fruits and vegetables drip pan of packing into; Put into baking car 8; The baking car gets into 6 first sections of tunnel type baking rooms under the draw of actuating unit 11, hot-blast stove 10 gets into hot blast wind net 4 after producing clean hot blast, through motor-driven valve 2, the warm-air pipe and motor-driven valve 2 apertures of circulation airduct 5 junctions, the aperture of motor-driven valve 2 and the turning to of circulating fan 9 that the circulation airduct is connected with hydrofuge airduct 3 on the control warm-air pipe; Realize airflow-reversing, the baking car that is loaded with fruits and vegetables is successively through warm and humid section different realization oven dry.Unload product after the oven dry material is drawn out and continue charging, carry out successively.
As shown in Figure 2; The hot-blast main on control right side and the motor-driven valve between the circulation airduct are in closed condition; Make the hot gas of hot-blast stove only enter into the circulated air net, ON cycle blower fan, adjustment blower fan rotation direction through the heating power wind net in left side; Make the clockwise of gas in the loop flow, realize drying from top to bottom the fruits and vegetables in the fruit tray.When the humidity in the closed circuit surpassed setting value (50%-70% is adjustable), the hydrofuge airduct on control right side and the motor-driven valve between the circulation airduct were in closed condition, and the hydrofuge airduct in left side and the motor-driven valve between the circulation airduct are opened hydrofuge automatically; When humidity was lower than setting value (20%-50% is adjustable), wet-emitting blower cut out, and valve closing stops hydrofuge.
As shown in Figure 3; The hot-blast main in control left side and the motor-driven valve between the circulation airduct are in closed condition; Make the hot gas of hot-blast stove only enter into the circulated air net, ON cycle blower fan, adjustment blower fan rotation direction through the heating power wind net on right side; Make the gas in the loop flow counterclockwise, realize drying from top to bottom the fruits and vegetables in the fruit tray.When the humidity in the loop surpasses setting value (50%-70% is adjustable); The hydrofuge airduct in control left side and the motor-driven valve between the circulation airduct are in closed condition; The hydrofuge airduct on right side and the motor-driven valve between the circulation airduct are opened hydrofuge automatically, and when humidity was lower than setting value (20%-50% is adjustable), wet-emitting blower cut out; Valve closing stops hydrofuge.

Claims (6)

1. sectional reversing tunnel drier; Comprise device for transporting objects, baking room, hot-blast stove and the controller that is used to control said dryer, it is characterized in that, be provided with tunnel type baking room, wet-emitting blower, circulating fan, hydrofuge airduct, circulation airduct and hot-blast main that multistage links to each other; Hot-blast main is arranged on the continuous tunnel type baking room both sides of multistage; Every section tunnel type baking room is provided with Temperature Humidity Sensor, and said hot-blast stove connects hot-blast main through air main, and circulating fan connects the circulation airduct; The circulation airduct is formed a circulated air loop with the tunnel type baking room that circulating fan links to each other with described multistage; The circulation airduct is connected with hot-blast main with the hydrofuge airduct respectively, is provided with the hot blast control valve between circulation airduct and the hot-blast main, and the hydrofuge airduct places circulation airduct top; The hydrofuge airduct connects wet-emitting blower, is provided with motor-driven valve between hydrofuge airduct and the wet-emitting blower.
2. a kind of sectional reversing tunnel drier according to claim 1 is characterized in that described circulating fan is the rotating blower fan.
3. a kind of sectional reversing tunnel drier according to claim 1 is characterized in that, every section tunnel type baking room of the tunnel type baking room that described multistage links to each other is provided with sample tap.
4. a kind of sectional reversing tunnel drier according to claim 1 is characterized in that described controller is the PLC controller.
5. a kind of sectional reversing tunnel drier according to claim 1 is characterized in that, the hop count of the tunnel type baking room that described multistage links to each other is the 6-12 section.
6. a kind of sectional reversing tunnel drier according to claim 1 is characterized in that, described material conveying arrangement comprises baking car, actuating unit and places the drip pan that is used to place fruits and vegetables on the baking car.
CN 201120203445 2011-06-16 2011-06-16 Segmented reversing tunnel-type dryer Expired - Fee Related CN202149677U (en)

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Application Number Priority Date Filing Date Title
CN 201120203445 CN202149677U (en) 2011-06-16 2011-06-16 Segmented reversing tunnel-type dryer

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102589266A (en) * 2012-02-23 2012-07-18 北京金波绿泰科技有限公司 Humidity-balanced drying room with a plurality of chambers arranged in a row
CN102697154A (en) * 2012-07-06 2012-10-03 扬州福尔喜果蔬汁机械有限公司 Fruit/vegetable drying device and working method thereof
CN102901329A (en) * 2012-10-27 2013-01-30 广西大圆机械设备有限责任公司 Wood chip drying device
CN103375975A (en) * 2012-04-13 2013-10-30 北京市劳动保护科学研究所 Heating and drying furnace with forward and reverse hot air circulation
CN103499201A (en) * 2013-10-12 2014-01-08 王兆进 Control device capable of adjusting waste discharge air quantity of different drying units simultaneously
CN104567317A (en) * 2014-12-08 2015-04-29 伊晓峰 Multilayer parallel through flow type wolfberry drying machine
CN104957237A (en) * 2015-07-03 2015-10-07 江苏长寿集团股份有限公司 Food drying system
CN106802068A (en) * 2017-01-23 2017-06-06 广州能之原科技股份有限公司 A kind of tunnel type wood single-plate drying device
CN108685078A (en) * 2018-04-26 2018-10-23 生源(天津)生物工程有限公司 A kind of packed nutrition nut mixture and preparation method thereof, preparation facilities
CN109000464A (en) * 2018-09-03 2018-12-14 李长利 Multi-direction temperature transfer dryer
WO2019120056A1 (en) * 2017-12-22 2019-06-27 巨石集团有限公司 Modular oven structure and tunnel oven

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102589266A (en) * 2012-02-23 2012-07-18 北京金波绿泰科技有限公司 Humidity-balanced drying room with a plurality of chambers arranged in a row
CN102589266B (en) * 2012-02-23 2015-04-29 北京金波绿泰科技有限公司 Humidity-balanced drying method with a plurality of chambers arranged in a row
CN103375975A (en) * 2012-04-13 2013-10-30 北京市劳动保护科学研究所 Heating and drying furnace with forward and reverse hot air circulation
CN102697154A (en) * 2012-07-06 2012-10-03 扬州福尔喜果蔬汁机械有限公司 Fruit/vegetable drying device and working method thereof
CN102901329A (en) * 2012-10-27 2013-01-30 广西大圆机械设备有限责任公司 Wood chip drying device
CN102901329B (en) * 2012-10-27 2015-10-14 广西大圆机械设备有限责任公司 Wood chip drying unit
CN103499201A (en) * 2013-10-12 2014-01-08 王兆进 Control device capable of adjusting waste discharge air quantity of different drying units simultaneously
CN104567317A (en) * 2014-12-08 2015-04-29 伊晓峰 Multilayer parallel through flow type wolfberry drying machine
CN104957237A (en) * 2015-07-03 2015-10-07 江苏长寿集团股份有限公司 Food drying system
CN106802068A (en) * 2017-01-23 2017-06-06 广州能之原科技股份有限公司 A kind of tunnel type wood single-plate drying device
WO2019120056A1 (en) * 2017-12-22 2019-06-27 巨石集团有限公司 Modular oven structure and tunnel oven
CN108685078A (en) * 2018-04-26 2018-10-23 生源(天津)生物工程有限公司 A kind of packed nutrition nut mixture and preparation method thereof, preparation facilities
CN109000464A (en) * 2018-09-03 2018-12-14 李长利 Multi-direction temperature transfer dryer

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Granted publication date: 20120222

Termination date: 20140616